[GitHub] [calcite] jbalint commented on a diff in pull request #2745: [CALCITE-4512] GROUP BY expression with argument name same with SELEC…

[GitBox <gi...@apache.org>]

jbalint commented on code in PR #2745:
URL: https://github.com/apache/calcite/pull/2745#discussion_r1049077069


##########
core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -6590,20 +6593,25 @@ static class ExtendedExpander extends Expander {
     final SqlSelect select;
     final SqlNode root;
     final boolean havingExpr;
+    final Set<SqlNode> aliasOrdinalExpandSet = Sets.newIdentityHashSet();
 
     ExtendedExpander(SqlValidatorImpl validator, SqlValidatorScope scope,
         SqlSelect select, SqlNode root, boolean havingExpr) {
       super(validator, scope);
       this.select = select;
       this.root = root;
       this.havingExpr = havingExpr;
+      if (!havingExpr) {
+        addExpandableExpressions();
+      }
     }
 
     @Override public @Nullable SqlNode visit(SqlIdentifier id) {
       if (id.isSimple()
           && (havingExpr
               ? validator.config().conformance().isHavingAlias()
-              : validator.config().conformance().isGroupByAlias())) {
+              : (validator.config().conformance().isGroupByAlias()

Review Comment:
   @hannerwang are you able to respond and get this PR merged?



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